Cingular + AT&T Wireless Merger Coverage, 2004
Submitted to the FCC, 2004. See Current AT&T Coverage.

Get Online Discounts on Wireless from AT&T

Key:
Contours are 85 dbu as supplied to the FCC for the Cingular/AT&T merger
Blue: AT&T Wireless GSM Coverage
Orange: Cingular GSM Coverage
Source: FCC